20210601160

素因数分解:

$2^3\times 5^1\times {\mathrm{7219}}^1\times {\mathrm{69991}}^1$

素因数の和:77221

約数の個数: 32

約数和(自身を含む): 45480801600

約数和(自身を除く): 25270200440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7219, 14438, 28876, 36095, 57752, 69991, 72190, 139982, 144380, 279964, 288760, 349955, 559928, 699910, 1399820, 2799640, 505265029, 1010530058, 2021060116, 2526325145, 4042120232, 5052650290, 10105300580, 20210601160]

約数ペア:

[(1, 20210601160), (2, 10105300580), (4, 5052650290), (5, 4042120232), (8, 2526325145), (10, 2021060116), (20, 1010530058), (40, 505265029), (7219, 2799640), (14438, 1399820), (28876, 699910), (36095, 559928), (57752, 349955), (69991, 288760), (72190, 279964), (139982, 144380)]